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Pros

Pro

Easily enable or disable a particular message

Each check in pylint has a unique id, so you can choose to disable or enable that particular message in subsequent executions. Just run -enable-msg or -disable-msg and the message id.

Pro

Configurable

Pylint has a configuration file which can be tweaked to choose what kind of warning messages you want. This way you can choose to opt out of receiving warnings that you may consider useless.

Pro

Full, detailed reports

Pylint gives very detailed reports of your code. It even provides ASCII tables with detailed statistics about the results.

Data for the previous and current code execution is also available with the difference, allowing you to easily see the progress that you have made.

Pro

Fine-grained control

In addition to the ability to enable or disable warnings, Pylint also gives the developer a great degree of control through command line options. These range from regular expressions to enforce naming conventions to various settings to watch for complexity issues.

Pro

Great documentation

The documentation is thorough and complete. They provide information for any kind of warning that Pylint may raise and how to deal with them, enable/disable them and how to interpret them.

Cons

Con

May need to compile from source to install it correctly

There are some dependencies from Logilab that Pylint needs. They can easily be found in the README but trying to install them with easy_install can yield some problems with unresolved dependencies.